diff -r 6c78cc6bd7a6 -r 4585c74d809c Source/DemoBoardView.m
--- a/Source/DemoBoardView.m	Thu Jul 03 17:44:30 2008 -0700
+++ b/Source/DemoBoardView.m	Tue Jul 08 20:32:52 2008 -0700
@@ -79,6 +79,7 @@
 {
     srandomdev();
     
+    // BoardView supports receiving dragged images, but you have to register for them:
     [self registerForDraggedTypes: [NSImage imagePasteboardTypes]];
     [self registerForDraggedTypes: [NSArray arrayWithObject: NSFilenamesPboardType]];